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30620130127 = 237112914437
BaseRepresentation
bin11100100001000110…
…100001101101001111
32221000222011202222121
4130201012201231033
51000202223131002
622022223353411
72132536545256
oct344106415517
987028152877
1030620130127
1111a932a0a74
125b26752867
132b6c9bb3c2
1416a695179d
15be32c1237
hex7211a1b4f

30620130127 has 4 divisors (see below), whose sum is σ = 30633046936. Its totient is φ = 30607213320.

The previous prime is 30620130113. The next prime is 30620130133. The reversal of 30620130127 is 72103102603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30620130127 is a prime.

It is a super-2 number, since 2×306201301272 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30620130137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454848 + ... + 6459589.

It is an arithmetic number, because the mean of its divisors is an integer number (7658261734).

Almost surely, 230620130127 is an apocalyptic number.

30620130127 is a deficient number, since it is larger than the sum of its proper divisors (12916809).

30620130127 is a wasteful number, since it uses less digits than its factorization.

30620130127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916808.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 30620130127 in words is "thirty billion, six hundred twenty million, one hundred thirty thousand, one hundred twenty-seven".

Divisors: 1 2371 12914437 30620130127